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Centrifugal-Blower

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Centrifugal Blowers (EBM Papst Brand)

Centrifugal fans from ebm-papst are available with forward or backward curved blades. The low-noise centrifugal fans and blowers with forward curved blades are also supplied with aspiral housing. The centrifugal fans with backward curved blades are designed as free-wheeling fans and do not require a scroll housing. For the centrifugal fans with external rotor motors, the motor is positioned in the impeller, which results in an especially compact design in addition to optimal cooling of the motor. The entire product line is available in both AC and GreenTech EC technology.

Turn down the volume, turn up the power

The outstanding feature of our centrifugal fans with forward curved blades is their minimum noise level and high power density. They are used wherever a large air volume has to be moved in a tight space. To adapt to the aerodynamic and geometric requirements, the impellers are arranged in singleinlet or dual-inlet form. Due to the large number of impeller blades, fans with forward curved impellers have a “pleasant” noise characteristic, which makes them particularly suited for applications in ventilation technology. Depending on the size and application, the scroll housings of these fans are made of sheet steel, plastic or die-cast aluminium. To optimise the efficiency, in addition to the voltage-controlled asynchronous motors, the particularly efficient GreenTech EC motors are used. Thus both drive types are available over the entire power range.

ALL THE FACTS AT A GLANCE

  • Compact fans with particularly flat installation depth
  • Plug-and-play thanks to optimal installation modules and prefabricated cables and plugs
  • Can be used for a wide power range at low noise
  • External rotor motor is positioned in the air flow, providing good cooling
  • GreenTech EC technology with integrated electronics for mains operation
  • GreenTech EC technology is also available in low-voltage versions with 24 or 48 VDC
  • 100 % speed-controlled analogue and/or digital interface
  • High efficiency of the GreenTech EC centrifugal fans
  • Individual added value provided by the large number of functions, including constant volume flow and bus interface
  • New, especially quiet and energy-efficient RadiCal fans
  • Extensive range of accessories, e.g. guard grilles and inlet nozzles
  • Also available with scroll housing
  • For use with aggressive and hot media, also available with outside-mounted, temperature- and noise-isolated internal rotor motor

Technical Values:

  • Voltage range: 100-480 VAC, 50/60 Hz, 12-48 VDC
  • Air volume: 1-18,000 m3/h
  • Power input: 1-5,400 W
  • Back pressure: up to 2,000 Pa